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Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> ICL3232EIV-16Z-T7A
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ICL3232EIV-16Z-T7A

Description
Line Transceiver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size912KB，39 Pages
ManufacturerIDT (Integrated Device Technology)
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Line Transceiver

ICL3232EIV-16Z-T7A Parametric

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MakerIDT (Integrated Device Technology)
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Datasheet
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
±15kV ESD Protected, +3V to +5.5V, 1µA, 250kbps, RS-232 Transmitters/Receivers
The
ICL3221E, ICL3222E, ICL3223E, ICL3232E,
ICL3241E,
and
ICL3243E
are 3.0V to 5.5V powered
RS-232 transmitters/receivers that meet ElA/TIA-232
and V.28/V.24 specifications, even at V
CC
= 3.0V.
Additionally, they provide
±
15kV ESD protection
(IEC61000-4-2 Air Gap and Human Body Model) on
transmitter outputs and receiver inputs (RS-232 pins).
Targeted applications are notebook and laptop
computers in which the low operational power
consumption and even lower standby power
consumption is critical. Efficient on-chip charge
pumps, coupled with manual and automatic
power-down functions (except for the ICL3232E),
reduce the standby supply current to a 1µA trickle.
Small footprint packaging and the use of small, low
value capacitors ensure board space savings. Data
rates greater than 250kbps are ensured at worst case
load conditions. This family is fully compatible with
3.3V-only systems, mixed 3.3V and 5.0V systems,
and 5.0V-only systems.
The ICL324XE are 3-driver, 5-receiver devices that
provide a complete serial port suitable for laptop or
notebook computers. Both devices also include
noninverting always-active receivers for “wake-up”
capability.
The ICL3221E, ICL3223E, and ICL3243E feature an
automatic power-down function that powers down the
on-chip power supply and driver circuits. Power-down
occurs when an attached peripheral device is shut off
or the RS-232 cable is removed, which conserves
system power automatically without changes to the
hardware or operating system. These devices power
up again when a valid RS-232 voltage is applied to
any receiver input.
Table 1 on page 2
summarizes the features of the
devices represented by this datasheet, and
Application Note
AN9863
summarizes the features of
each device in the ICL32xxE 3V family.
Features
• ESD protection for RS-232 I/O pins to ±15kV
(IEC61000)
• Drop-in replacements for the MAX3221E,
MAX3222E, MAX3223E, MAX3232E, MAX3241E,
MAX3243E, and SP3243E
• The ICL3221E is a low-power, pin-compatible
upgrade for the 5V MAX221E
• The ICL3222E is a low-power, pin-compatible
upgrade for the 5V MAX242E and SP312E
• The ICL3232E is a low-power upgrade for the
HIN232E, ICL232, and pin-compatible competitor
devices
• RS-232 compatible with V
CC
= 2.7V
• Meets EIA/TIA-232 and V.28/V.24 specifications
at 3V
• Latch-up free
• On-chip voltage converters require only four
external 0.1µF capacitors at V
CC
= 3.3V
• Manual and automatic power-down features
• Ensured mouse driveability (ICL324xE only)
• Receiver hysteresis for improved noise immunity
• Ensured minimum data rate: 250kbps
• Wide power supply range: single +3V to +5.5V
• Low supply current in power-down state: 1µA
• Pb-free (RoHS compliant)
Applications
• Any system requiring RS-232 communication ports
○ Battery powered, hand-held, and portable
equipment
○ Laptop computers and notebooks
○ Modems, printers, and other peripherals
○ Digital cameras
○ Cellular/mobile phones
Related Literature
For a full list of documents, visit our website:
•
ICL3221E, ICL3222E, ICL3223E, ICL3232E,
ICL3241E,
and
ICL3243E
device pages
FN4910 Rev.24.00
May 30, 2019
Page 1 of 39
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
Table 1.
Summary of Features
Number of
Monitor
Receivers
(R
outb
)
0
0
0
0
2
1
Data
Rate
(kbps)
250
250
250
250
250
250
Receiver
Enable
Function?
Yes
Yes
Yes
No
Yes
No
Automatic
Power-Down
Function?
Yes
No
Yes
No
No
Yes
Part
Number
ICL3221E
ICL3222E
ICL3223E
ICL3232E
ICL3241E
ICL3243E
Number of
Tx
1
2
2
2
3
3
Number of
Rx
1
2
2
2
5
5
Ready
Output?
No
No
No
No
No
No
Manual
Power-Down?
Yes
Yes
Yes
No
Yes
Yes
FN4910 Rev.24.00
May 30, 2019
Page 2 of 39
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
Contents
1.
1.1
1.2
1.3
1.4
2.
2.1
2.2
2.3
2.4
3.
4.
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Typical Operating Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
11
12
12
Typical Performance Curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Application Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1
4.1.1
4.2
4.3
4.4
4.5
4.5.1
4.5.2
4.5.3
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
Charge-Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charge-Pump Abs Max Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Power Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power-Down Functionality (Except ICL3232E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Software Controlled (Manual) Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INVALID Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Power-Down (ICL3221E, ICL3223E, and ICL3243E Only) . . . . . . . . . . . . . . . . . . . . . .
Receiver ENABLE Control (ICL3221E, ICL3222E, ICL3223E, and ICL3241E Only) . . . . . . . . . . . . .
Capacitor Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation Down to 2.7V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter Outputs when Exiting Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mouse Driveability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Data Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interconnection with 3V and 5V Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin-Compatible Replacements for 5V Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
15
16
16
18
18
18
19
20
21
21
21
21
22
22
22
24
24
5.
5.1
5.2
5.3
5.4
6.
7.
8.
±15kV ESD Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Human Body Model (HBM) Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IEC61000-4-2 Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air-Gap Discharge Test Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contact Discharge Test Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
25
25
25
Die Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Package Outline Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
FN4910 Rev.24.00
May 30, 2019
Page 3 of 39
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
1. Overview
1.
1.1
Overview
Typical Operating Circuits
ICL3221E
C
3
(Optional Connection, Note)
+3.3V
15
VCC
V+
3
+ C
3
0.1µF
C
4
+ 0.1µF
T1
OUT
R1
IN
RS-232
Levels
+
V- 7
T
1
13
8
R
1
1 EN
FORCEOFF
12
FORCEON
GND
14
INVALID
16
10
V
CC
To Power
Control Logic
5kΩ
+
0.1µF
C
1
0.1µF
C
2
0.1µF
2
+ C1+
4
C1-
5
+ C2+
6
C2-
11
T1
IN
TTL/CMOS
Logic Levels
R1
OUT
9
Note: The negative terminal of C3 can be connected to either VCC or GND
ICL3222E
C
3
(Optional Connection, Note)
+3.3V
+
0.1µF
+
2
4
5
+
6
12
11
C1+
C1-
C2+
C2-
T
1
T
2
V-
17
VCC
3
V+
7
+
15
8
+ C
3
0.1µF
C
4
0.1µF
+
T1
OUT
T2
OUT
RS-232
Levels
14
R
1
R2
OUT
10
1 EN
R
2
5kΩ
18
5kΩ
9
R2
IN
R1
IN
GND
16
SHDN
V
CC
C
1
0.1µF
C
2
0.1µF
T1
IN
T2
IN
TTL/CMOS
Logic Levels
R1
OUT
13
Note: The negative terminal of C3 can be connected to either VCC or GND
FN4910 Rev.24.00
May 30, 2019
Page 4 of 39
ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E
ICL3223E
+3.3V
+
0.1µF
2
+
4
5
+
6
13
12
C1+
C1-
C2+
C2-
T
1
T
2
1. Overview
19
VCC
V+
3
+ C
3
0.1µF
C
4
0.1µF
+
T1
OUT
T2
OUT
RS-232
Levels
C
1
0.1µF
C
2
0.1µF
V- 7
17
8
T1
IN
T2
IN
TTL/CMOS
Logic Levels
R1
OUT
15
R
1
5kΩ
16
R1
IN
R2
OUT
10
1
EN
R
2
5kΩ
9
R2
IN
FORCEOFF
14
FORCEON
GND
18
INVALID
20
11
V
CC
To Power
Control Logic
ICL3232E
+3.3V
16
VCC
V+
2
+ C
3
0.1µF
C
4
0.1µF
+
T1
OUT
T2
OUT
R1
IN
+
V-
T
1
T
2
6
14
7
13
R
1
R2
OUT
9
R
2
GND
15
5kΩ
5kΩ
8
R2
IN
+
0.1µF
1
+
+
3
4
5
11
10
12
C1+
C1-
C2+
C2-
C
3
(Optional Connection, Note)
C
1
0.1µF
C
2
0.1µF
T1
IN
T2
IN
R1
OUT
TTL/CMOS
Logic Levels
RS-232
Levels
Note: The negative terminal of C3 can be connected to either VCC or GND
FN4910 Rev.24.00
May 30, 2019
Page 5 of 39
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